04/2011 - Art. Nr. 4200 1037 0000A 29
Air regulation
Combustion air is regulated at two
points:
• on the pressure side, by the gap
between the turbulator and the burner
tube.
• on the vacuum side, by the air flap that
can be adjusted manually using a
knob.
Air regulation by air flap
Air is regulated on the vacuum side by
an air flap. This is controlled by knob
103B.
Commissioning
Air regulation
The regulation of air in the
combustion head influences not only
the airflow but also the mixing zone and
the air pressure in the burner tube.
- Turning screw A:
anticlockwise: more air
clockwise: less air
• Adjust dimension Y in accordance with
the settings table.
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